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bug#21965: 24.5; Emacs freezes when canceling at open file
From: |
Maneesh Yadav |
Subject: |
bug#21965: 24.5; Emacs freezes when canceling at open file |
Date: |
Mon, 23 Nov 2015 16:30:59 -0800 |
I don't understand the apple framework/glib event handling structure
and I doubt this is terribly informative, but for the sake of
completeness the output of 'thread list' is pasted below:
(lldb) thread list
Process 23166 stopped
* thread #1: tid = 0x4d18b, 0x00007fff8a861166
libsystem_kernel.dylib`__psynch_mutexwait + 10, queue =
'com.apple.main-thread', stop reason = signal SIGSTOP
thread #2: tid = 0x4d18c, 0x00007fff8a8613fa
libsystem_kernel.dylib`__select + 10, name = 'gmain'
(lldb)
On Mon, Nov 23, 2015 at 2:17 PM, John Wiegley <jwiegley@gmail.com> wrote:
>>>>>> Maneesh Yadav <maneeshkyadav@gmail.com> writes:
>
>> Flog me if I am not doing this right. Seems that +debug on macports is the
>> easy to make debug compiles (an old thread seemed to suggest that macports
>> rejected this idea...but I guess it was eventually accepted). So installed
>> emacs +debug and reproduced the crash, attached to emacs via lldb and got
>> this backtrace (which looks a lot like the previous, can I provide better
>> info somehow?):
>
> We're still missing file and line numbers for the Emacs code, which is odd.
> But not terribly important, since the lockup is happening inside glib, it
> appears.
>
>> frame #3: 0x00000001009db284
>> libglib-2.0.0.dylib`g_main_context_acquire + 42
>
> So, here's that function, more or less:
>
> gboolean
> g_main_context_acquire (GMainContext *context)
> {
> gboolean result = FALSE;
> GThread *self = G_THREAD_SELF;
>
> if (context == NULL)
> context = g_main_context_default ();
>
> LOCK_CONTEXT (context);
> /* ... */
> }
>
> We're blocked waiting on the context. The question then being: who else has
> that context? Is it another Emacs thread?
>
> Eli, does this ring any bells?
>
> John
- bug#21965: 24.5; Emacs freezes when canceling at open file, (continued)
- bug#21965: 24.5; Emacs freezes when canceling at open file, Maneesh Yadav, 2015/11/20
- bug#21965: 24.5; Emacs freezes when canceling at open file, John Wiegley, 2015/11/20
- bug#21965: 24.5; Emacs freezes when canceling at open file, Maneesh Yadav, 2015/11/20
- bug#21965: 24.5; Emacs freezes when canceling at open file, John Wiegley, 2015/11/20
- bug#21965: 24.5; Emacs freezes when canceling at open file, Maneesh Yadav, 2015/11/20
- bug#21965: 24.5; Emacs freezes when canceling at open file, Eli Zaretskii, 2015/11/21
- bug#21965: 24.5; Emacs freezes when canceling at open file, John Wiegley, 2015/11/22
- bug#21965: 24.5; Emacs freezes when canceling at open file, Maneesh Yadav, 2015/11/22
- bug#21965: 24.5; Emacs freezes when canceling at open file, Maneesh Yadav, 2015/11/23
- bug#21965: 24.5; Emacs freezes when canceling at open file, John Wiegley, 2015/11/23
- bug#21965: 24.5; Emacs freezes when canceling at open file,
Maneesh Yadav <=
- bug#21965: 24.5; Emacs freezes when canceling at open file, Eli Zaretskii, 2015/11/23
- bug#21965: 24.5; Emacs freezes when canceling at open file, Eli Zaretskii, 2015/11/23
- bug#21965: 24.5; Emacs freezes when canceling at open file, John Wiegley, 2015/11/23
- bug#21965: 24.5; Emacs freezes when canceling at open file, Maneesh Yadav, 2015/11/24
- bug#21965: 24.5; Emacs freezes when canceling at open file, Maneesh Yadav, 2015/11/24
- bug#21965: 24.5; Emacs freezes when canceling at open file, John Wiegley, 2015/11/24
- bug#21965: 24.5; Emacs freezes when canceling at open file, Maneesh Yadav, 2015/11/24
- bug#21965: 24.5; Emacs freezes when canceling at open file, John Wiegley, 2015/11/24
- bug#21965: 24.5; Emacs freezes when canceling at open file, Maneesh Yadav, 2015/11/24
- bug#21965: 24.5; Emacs freezes when canceling at open file, John Wiegley, 2015/11/24